Bench support bracket



FIG. 1 is a left side elevation of a bench support bracket showing my new design;

FIG. 2 is a right side elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation thereof; and,

FIG. 6 is a front elevation thereof. 

The ornamental design for a bench support bracket, as shown. 